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Component Testing Information
To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply
before servicing, unless testing requires it.
Illustration
Thermostat limit
S.P.S.T. − 2 terminals
Thermostat cycling
S.P.D.T. − 3 terminals
Thermostat heater
Door switch
ON / OFF Signal
switch
Signal buzzer
Fabric selector
Timer
Sensor
Ignitor
16021969 Rev. 0
(This technical sheet replaces RT3210013 Rev. 0.)
!
Component
Measure resistance of the following
terminals:
Terminals 1 − 2 ..................................
Measure resistance of the following
terminals:
Terminals 1 − 3...............................
Heat thermostat with a small flame
until a distinct click is heard.
Terminals 1 − 2...............................
Disconnect wire terminals and
measure resistance of terminals.
Terminal to terminal ..........................
Measure resistance of the switch:
Door closed
1 − COM
Terminals 1 − 3...............................
2 − N.C.
Door opened
Terminals 1 − 2...............................
3 − N.O.
Measure resistance of switch
positions:
ON
OFF (Open position) ......................
Measure resistance of the buzzer:
Terminal to terminal ............................
Place switch in the positions indicated
3 position switch
in the chart.
Measure resistance of the terminals
indicated.
X indicates continuity (< 1 Ω)
Verify input and output voltage is
present.
Remove wires from sensor terminals
Terminal to terminal ..........................
Measure resistance of the following:
Terminal to terminal ..........................
WARNING
Test Procedure
(Closed position) ....................
2
Results
Open at 225° ± 7° F
Close at 215° ± 10° F
< 1 Ω
Continuity
Open at 153° ± 5° F
Close at 138° ± 5° F
< 1 Ω
Continuity
< 1 Ω
Continuity
2400 ± 240 Ω
< 1 Ω
Continuity
< 1 Ω
Continuity
< 1 Ω
Continuity
Infinite
> 1 MΩ
1.2 K − 1.4 K Ω
L1-1
L1-2
Perm
Press/
X
Regular
Delicate
X
X
Fluff
Refer to specific model Technical Sheet
for timing sequence chart and functional
description of the component.
Any indication other than 0 Ω, replace
sensor.
0 Ω
45 − 200 Ω
September 2002
L1-3
X
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